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Sxq = 4πR²
V = 4/3πR³
Hình cầu
Sxq= πRl
STP= Sxq+Sđáy= πRl+πR²
V= 1/3πR²h
Hình nón
Sxq= 2πRh
Stp= Sxq+S2đáy
V= πR²h
Hình trụ
V= 1/2πR²h
Sxq= πRh
Hình nửa khối trụ